kerry says he was told by lavrov that russia has no intention of violating ukraine's sovereignty. it's really difficult to know what's going on. for example, we just got these reports. ukrainian airlines says the air space is closed. has been closed. yet an official at the airport says no, it's not. who knows what's going on. >> crimea and certain parts of eastern ukraine are more affiliated with russia, right? >> they speak russian. >> so they have some ethnic ties to russia that others don't. you were there in kiev. different part of the country. >> far to the west. >> far to the west. you saw militias there. who are these guys? who funds them? where did they get their weapons? are they organized in -- by any central authority? >> first, you should know there's no official police presence anywhere from what we can tell on the ground, it seems calm but you're right, this is in front of the central bank. take a look. these are ad hoc militia guys with surplus military gear, bats, hand-made shields, and they are volunteering, here you see them guarding the former presidential palac